…Seeing Abel, the second son of Adam in a dream means suffering from people’s jealousy, grievance, chicanery, or that one may be killed by his enemy. It also means that an unjust person will envy him. Seeing Abel in a dream also means piety, devotion to God Almighty, feebleness toward a woman or making an offering to please God Almighty and entering the heavenly paradise as a reward. One who sees Abel in a dream should beware of his brethren and close friends, and he should fear for his life….
Dream dictionary: Abel dream meanings
(Murderer) Cain, the oldest son of Adam and Eve, who killed his brother Abel. Seeing him in a dream means concealing a murder. If one who is not a murderer sees Cain in a dream, it means that he will be involved in something which he will regret terribly.